NIL HEARDRECEPTION LOG

The Pip

tier B · keyed-tone

3756 kHz USB · 2026-09-24 23:01:40Z · 02:35 · received at Brettnach F57320

Spectrogram of The Pip, 3756 kHz USB, 2026-09-24 23:01:40Z, 02:35: keyed-tone 62% · mixed 25% · carrier 12% · tone 486 Hz · keying 0.75 Hz depth 0.95
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.8 MB ⤓ Opus 660 kB { }
What was heard
keyed-tone 62% · mixed 25% · carrier 12% · tone 486 Hz · keying 0.75 Hz depth 0.95 — dominant tone 486 Hz, keyed at 0.75 Hz (depth 0.95). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 44 dB — thanks to the operator. Receivers
Provenance
sha256 d584872de3cdea8566188423058a6450e80cd0be5155c0d9f3d2ef92df8577c7
source 02:35 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T2301Z-3756-pip-3756
Heard in the record
— linked once the record exists.
Licence
CC BY 4.0 — credit NIL HEARD / Reception Log. The recording is ours; the transmission is somebody else's. Descriptions describe sound, never content — why.
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